JP4847874B2 - マルチユーザ適応型アレイ受信機および方法 - Google Patents
マルチユーザ適応型アレイ受信機および方法 Download PDFInfo
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- JP4847874B2 JP4847874B2 JP2006549821A JP2006549821A JP4847874B2 JP 4847874 B2 JP4847874 B2 JP 4847874B2 JP 2006549821 A JP2006549821 A JP 2006549821A JP 2006549821 A JP2006549821 A JP 2006549821A JP 4847874 B2 JP4847874 B2 JP 4847874B2
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0851—Joint weighting using training sequences or error signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53999204P | 2004-01-30 | 2004-01-30 | |
US60/539,992 | 2004-01-30 | ||
PCT/CA2005/000102 WO2005074147A1 (en) | 2004-01-30 | 2005-01-31 | Multi-user adaptive array receiver and method |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007520126A JP2007520126A (ja) | 2007-07-19 |
JP4847874B2 true JP4847874B2 (ja) | 2011-12-28 |
Family
ID=34826163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006549821A Expired - Fee Related JP4847874B2 (ja) | 2004-01-30 | 2005-01-31 | マルチユーザ適応型アレイ受信機および方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7904039B2 (de) |
EP (1) | EP1709745A4 (de) |
JP (1) | JP4847874B2 (de) |
CN (1) | CN1922789B (de) |
CA (1) | CA2553678C (de) |
WO (1) | WO2005074147A1 (de) |
Families Citing this family (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008502260A (ja) * | 2004-06-10 | 2008-01-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | チャネルを介して信号を受信するための装置 |
US8457152B2 (en) * | 2004-07-16 | 2013-06-04 | Qualcomm Incorporated | Multiple modulation schemes in single rate layering wireless communication systems |
US8780957B2 (en) | 2005-01-14 | 2014-07-15 | Qualcomm Incorporated | Optimal weights for MMSE space-time equalizer of multicode CDMA system |
AR052601A1 (es) | 2005-03-10 | 2007-03-21 | Qualcomm Inc | Clasificacion de contenido para procesamiento de multimedia |
US7733996B2 (en) * | 2005-05-25 | 2010-06-08 | Research In Motion Limited | Joint space-time optimum filters (JSTOF) for interference cancellation |
US20070071147A1 (en) * | 2005-06-16 | 2007-03-29 | Hemanth Sampath | Pseudo eigen-beamforming with dynamic beam selection |
US7426199B2 (en) * | 2005-06-29 | 2008-09-16 | Intel Corporation | Wireless communication device and method for reducing carrier frequency offsets over a simultaneous multi-user uplink in a multicarrier communication network |
US7706248B2 (en) * | 2005-06-29 | 2010-04-27 | Intel Corporation | Multicarrier receiver and method for time-delay compensation in a multi-user uplink |
US7480497B2 (en) * | 2005-06-29 | 2009-01-20 | Intel Corporation | Multicarrier receiver and method for carrier frequency offset correction and channel estimation for receipt of simultaneous transmissions over a multi-user uplink |
US20070049233A1 (en) * | 2005-08-15 | 2007-03-01 | Research In Motion Limited | Wireless Communications Device Including a Joint Space-Time Optimum Filters (JSTOF) Using Singular Value Decompositions (SVD) |
US20070049232A1 (en) * | 2005-08-15 | 2007-03-01 | Research In Motion Limited | Joint Space-Time Optimum Filter (JSTOF) Using QR and Eigenvalue Decompositions |
US20070036210A1 (en) * | 2005-08-15 | 2007-02-15 | Research In Motion Limited | Joint Space-Time Optimum Filters (JSTOF) with at Least One Antenna, at Least One Channel, and Joint Filter Weight and CIR Estimation |
US20070036122A1 (en) * | 2005-08-15 | 2007-02-15 | Research In Motion Limited | Joint Space-Time Optimum Filters (JSTOF) for Interference Cancellation |
US20070037540A1 (en) * | 2005-08-15 | 2007-02-15 | Research In Motion Limited | Joint Space-Time Optimum Filters (JSTOF) Using Singular Value Decompositions (SVD) |
US8879857B2 (en) | 2005-09-27 | 2014-11-04 | Qualcomm Incorporated | Redundant data encoding methods and device |
US8654848B2 (en) | 2005-10-17 | 2014-02-18 | Qualcomm Incorporated | Method and apparatus for shot detection in video streaming |
US8948260B2 (en) | 2005-10-17 | 2015-02-03 | Qualcomm Incorporated | Adaptive GOP structure in video streaming |
CN101310450B (zh) * | 2005-11-21 | 2016-03-09 | 高通股份有限公司 | 用于多码cdma系统的mmse空时均衡器的最优权重 |
US9131164B2 (en) | 2006-04-04 | 2015-09-08 | Qualcomm Incorporated | Preprocessor method and apparatus |
US7885688B2 (en) * | 2006-10-30 | 2011-02-08 | L-3 Communications Integrated Systems, L.P. | Methods and systems for signal selection |
EP2162994B1 (de) * | 2007-06-14 | 2016-08-24 | Telefonaktiebolaget LM Ericsson (publ) | Effizientes verfahren zur herstellung und gemeinsamen nutzung einer störungskovarianzmatrix |
CN101939758B (zh) * | 2007-12-05 | 2013-05-08 | 韦夫逻辑公司 | 数据载体器件 |
US7929593B2 (en) * | 2008-04-15 | 2011-04-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for successive interference subtraction with covariance root processing |
US8326250B2 (en) * | 2008-05-22 | 2012-12-04 | Broadcom Corporation | Receiver with statistical analysis and methods for use therewith |
US7825857B2 (en) * | 2009-02-09 | 2010-11-02 | Bae Systems Information And Electronic Systems Integration Inc. | System, method and apparatus for reducing the effects of low level interference in a communication system |
US20120045027A1 (en) * | 2009-03-08 | 2012-02-23 | Cellvine Ltd. | Noise reduction in wireless communication applications |
CN101980455B (zh) * | 2009-05-25 | 2014-11-19 | 三洋电机株式会社 | 利用自适应阵列天线接收信号的接收装置 |
US20110026459A1 (en) * | 2009-07-28 | 2011-02-03 | Samsung Electronics Co., Ltd. | Method and apparatus for closed-loop transformed codebook based antenna beamforming |
US8660497B1 (en) | 2009-08-18 | 2014-02-25 | Marvell International Ltd. | Beamsteering in a spatial division multiple access (SDMA) system |
US8259830B1 (en) | 2009-10-14 | 2012-09-04 | Google Inc. | Simultaneous use of multiple radio frequency channels |
US8743941B2 (en) * | 2009-12-01 | 2014-06-03 | Telefonaktiebolaget L M Ericsson (Publ) | Spatial and temporal pre-equalization |
JP2011139268A (ja) * | 2009-12-28 | 2011-07-14 | Fujitsu Ltd | 無線中継装置、無線中継方法 |
US8655299B2 (en) * | 2010-06-03 | 2014-02-18 | Broadcom Corporation | Saw-less receiver with RF frequency translated BPF |
US20110299634A1 (en) * | 2010-06-03 | 2011-12-08 | Broadcom Corporation | Saw-less receiver with a frequency translated bpf having a negative resistance |
JP5876041B2 (ja) | 2010-06-16 | 2016-03-02 | マーベル ワールド トレード リミテッド | ダウンリンクのマルチユーザのmimo構成のための代替フィードバックタイプ |
US9252991B2 (en) | 2010-08-10 | 2016-02-02 | Marvell World Trade Ltd. | Sub-band feedback for beamforming on downlink multiple user MIMO configurations |
CN102420584B (zh) * | 2011-12-28 | 2014-08-13 | 熊猫电子集团有限公司 | 基于cpci总线的短波自适应阵列处理器 |
US9275690B2 (en) | 2012-05-30 | 2016-03-01 | Tahoe Rf Semiconductor, Inc. | Power management in an electronic system through reducing energy usage of a battery and/or controlling an output power of an amplifier thereof |
US9509351B2 (en) | 2012-07-27 | 2016-11-29 | Tahoe Rf Semiconductor, Inc. | Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver |
US8923364B1 (en) | 2013-03-13 | 2014-12-30 | Google Inc. | Transmitting data over discontiguous portions of radio frequency spectrum |
US9837714B2 (en) | 2013-03-15 | 2017-12-05 | Integrated Device Technology, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through a circular configuration thereof |
US9666942B2 (en) | 2013-03-15 | 2017-05-30 | Gigpeak, Inc. | Adaptive transmit array for beam-steering |
US9780449B2 (en) | 2013-03-15 | 2017-10-03 | Integrated Device Technology, Inc. | Phase shift based improved reference input frequency signal injection into a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation to reduce a phase-steering requirement during beamforming |
US8837558B1 (en) * | 2013-03-15 | 2014-09-16 | Motorola Solutions, Inc. | Systems, methods, and devices for improving signal detection in communication systems |
US9716315B2 (en) | 2013-03-15 | 2017-07-25 | Gigpeak, Inc. | Automatic high-resolution adaptive beam-steering |
US9531070B2 (en) | 2013-03-15 | 2016-12-27 | Christopher T. Schiller | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through accommodating differential coupling between VCOs thereof |
US9722310B2 (en) | 2013-03-15 | 2017-08-01 | Gigpeak, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through frequency multiplication |
US9184498B2 (en) | 2013-03-15 | 2015-11-10 | Gigoptix, Inc. | Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through fine control of a tunable frequency of a tank circuit of a VCO thereof |
US10601473B2 (en) | 2013-05-31 | 2020-03-24 | Hewlett Packard Enterprise Development Lp | System and methods for enabling simultaneous transmit and receive in the same WiFi band within a device |
US9954604B2 (en) | 2013-05-31 | 2018-04-24 | Aruba Networks, Inc. | System and methods for enabling simultaneous transmit and receive in the same WiFi band within a device |
EP2997663B1 (de) * | 2013-06-26 | 2017-05-17 | Huawei Technologies Co., Ltd. | Architektur und verfahren in einem drahtloskommunikationsnetzwerk |
KR102128400B1 (ko) * | 2014-01-16 | 2020-06-30 | 한국전자통신연구원 | 무선전송 장치의 전파 빔 방향 조정 방법 |
US9237513B2 (en) * | 2014-06-13 | 2016-01-12 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Method for performing a cell search in multiple antenna wireless systems |
MY180778A (en) * | 2015-01-14 | 2020-12-09 | Ericsson Telefon Ab L M | Codebook subset restriction signaling |
CN106559108B (zh) * | 2015-09-28 | 2020-05-22 | 中兴通讯股份有限公司 | 一种大规模多入多出系统中天线接收的方法和装置 |
JP6422456B2 (ja) * | 2016-02-23 | 2018-11-14 | 三菱電機株式会社 | 信号処理装置及びアレーアンテナ装置 |
US10476559B2 (en) * | 2017-05-19 | 2019-11-12 | Micron Technology, Inc. | Apparatuses and methods for adaptive spatial diversity in a MIMO-based system |
EP4016863A1 (de) | 2017-08-11 | 2022-06-22 | Telefonaktiebolaget LM Ericsson (publ) | Erweiterte strahlbasierte codebuch-untermengeneinschränkungssignalisierung |
CN111989869B (zh) * | 2018-04-18 | 2022-07-05 | 瑞典爱立信有限公司 | 蜂窝系统中针对不同物理信道使用相同反馈信息的波束成形 |
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CN112929307B (zh) * | 2021-02-26 | 2022-03-25 | 广东工业大学 | 一种免授权通信下的分布式信道估计方法 |
EP4164137B1 (de) * | 2021-10-05 | 2024-07-17 | Nokia Solutions and Networks Oy | Berechnung von strahlformungsparametern |
CN113973090B (zh) * | 2021-10-18 | 2023-12-08 | 北谷电子股份有限公司 | 在通信网络中处理大数据的装置及方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10224282A (ja) * | 1997-01-31 | 1998-08-21 | Nippon Telegr & Teleph Corp <Ntt> | ダイバーシチ受信器およびダイバーシチ受信方法 |
JP2003152603A (ja) * | 2001-02-20 | 2003-05-23 | Ntt Docomo Inc | ターボ受信方法及びその受信機 |
JP2003283394A (ja) * | 2002-03-27 | 2003-10-03 | Nec Corp | マルチビームアンテナ送受信装置及び送受信方法並びに送信ビーム選択方法 |
JP2004354377A (ja) * | 2003-05-26 | 2004-12-16 | Lg Electronics Inc | 基地局の分散信号源サーチング方法及びその装置 |
WO2005036776A1 (en) * | 2003-10-10 | 2005-04-21 | Kabushiki Kaisha Toshiba | Cancellation of co-channel interference and inter-symbol interference in a mimo communication system |
JP2005512435A (ja) * | 2001-12-05 | 2005-04-28 | ロッキード・マーティン・コーポレイション | 自動較正される縮小ランク適応プロセッサのためのシステムおよび方法 |
JP2007503767A (ja) * | 2003-08-27 | 2007-02-22 | クゥアルコム・インコーポレイテッド | 広帯域misoおよびmimoシステム背景のための周波数独立空間処理 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5828658A (en) | 1991-12-12 | 1998-10-27 | Arraycomm, Inc. | Spectrally efficient high capacity wireless communication systems with spatio-temporal processing |
US5592490A (en) | 1991-12-12 | 1997-01-07 | Arraycomm, Inc. | Spectrally efficient high capacity wireless communication systems |
US5515378A (en) | 1991-12-12 | 1996-05-07 | Arraycomm, Inc. | Spatial division multiple access wireless communication systems |
US6081566A (en) * | 1994-08-02 | 2000-06-27 | Ericsson, Inc. | Method and apparatus for interference rejection with different beams, polarizations, and phase references |
US5477859A (en) * | 1995-02-13 | 1995-12-26 | General Electric Company | Ultrasound imaging system having spatial filtering preprocessor |
US5649287A (en) * | 1995-03-29 | 1997-07-15 | Telefonaktiebolaget Lm Ericsson | Orthogonalizing methods for antenna pattern nullfilling |
DE19512116A1 (de) | 1995-04-04 | 1996-10-10 | Bayer Ag | Gasphasenpolymerisation von konjugierten Dienen in Gegenwart von Allylverbindungen der seltenen Erden |
JP2991179B2 (ja) * | 1998-01-08 | 1999-12-20 | 日本電気株式会社 | Cdmaマルチユーザ受信装置 |
US6301293B1 (en) * | 1998-08-04 | 2001-10-09 | Agere Systems Guardian Corp. | Detectors for CDMA systems |
US6188718B1 (en) * | 1998-08-21 | 2001-02-13 | Lucent Technologies Inc. | Methods and apparatus for reducing cochannel interference in a mixed-rate communication system |
EP1069722A2 (de) * | 1999-07-12 | 2001-01-17 | Hughes Electronics Corporation | Funkkommunikationssystem und -Verfahren mit einer Raum-Zeit-Architektur und Empfänger für Mehrbenutzerdetektion |
US6795392B1 (en) * | 2000-03-27 | 2004-09-21 | At&T Corp. | Clustered OFDM with channel estimation |
JP3595493B2 (ja) * | 2000-07-10 | 2004-12-02 | 三菱電機株式会社 | 無線受信装置 |
FI20002844A (fi) * | 2000-12-22 | 2002-06-23 | Nokia Corp | Mittausmenetelmä ja vastaanotin |
US6745052B2 (en) * | 2001-07-27 | 2004-06-01 | Qualcomm, Incorporated | Method and apparatus for signal equalization in a communication system with multiple receiver antennas |
US6907272B2 (en) * | 2002-07-30 | 2005-06-14 | UNIVERSITé LAVAL | Array receiver with subarray selection |
US7656936B2 (en) * | 2003-01-28 | 2010-02-02 | Cisco Technology, Inc. | Method and system for interference reduction in a wireless communication network using a joint detector |
US7019351B2 (en) | 2003-03-12 | 2006-03-28 | Micron Technology, Inc. | Transistor devices, and methods of forming transistor devices and circuit devices |
US7187940B2 (en) * | 2003-07-31 | 2007-03-06 | Motorola, Inc. | Decorrelating rake receiver apparatus and method |
JP3935136B2 (ja) | 2003-11-27 | 2007-06-20 | マルホン工業株式会社 | パチンコ機 |
-
2005
- 2005-01-31 EP EP05706428A patent/EP1709745A4/de not_active Withdrawn
- 2005-01-31 CA CA2553678A patent/CA2553678C/en not_active Expired - Fee Related
- 2005-01-31 CN CN2005800037490A patent/CN1922789B/zh not_active Expired - Fee Related
- 2005-01-31 US US10/587,701 patent/US7904039B2/en not_active Expired - Fee Related
- 2005-01-31 JP JP2006549821A patent/JP4847874B2/ja not_active Expired - Fee Related
- 2005-01-31 WO PCT/CA2005/000102 patent/WO2005074147A1/en not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10224282A (ja) * | 1997-01-31 | 1998-08-21 | Nippon Telegr & Teleph Corp <Ntt> | ダイバーシチ受信器およびダイバーシチ受信方法 |
JP2003152603A (ja) * | 2001-02-20 | 2003-05-23 | Ntt Docomo Inc | ターボ受信方法及びその受信機 |
JP2005512435A (ja) * | 2001-12-05 | 2005-04-28 | ロッキード・マーティン・コーポレイション | 自動較正される縮小ランク適応プロセッサのためのシステムおよび方法 |
JP2003283394A (ja) * | 2002-03-27 | 2003-10-03 | Nec Corp | マルチビームアンテナ送受信装置及び送受信方法並びに送信ビーム選択方法 |
JP2004354377A (ja) * | 2003-05-26 | 2004-12-16 | Lg Electronics Inc | 基地局の分散信号源サーチング方法及びその装置 |
JP2007503767A (ja) * | 2003-08-27 | 2007-02-22 | クゥアルコム・インコーポレイテッド | 広帯域misoおよびmimoシステム背景のための周波数独立空間処理 |
WO2005036776A1 (en) * | 2003-10-10 | 2005-04-21 | Kabushiki Kaisha Toshiba | Cancellation of co-channel interference and inter-symbol interference in a mimo communication system |
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JP2007520126A (ja) | 2007-07-19 |
US20070142089A1 (en) | 2007-06-21 |
CA2553678C (en) | 2014-07-08 |
CN1922789B (zh) | 2011-09-07 |
EP1709745A1 (de) | 2006-10-11 |
CN1922789A (zh) | 2007-02-28 |
US7904039B2 (en) | 2011-03-08 |
WO2005074147A1 (en) | 2005-08-11 |
CA2553678A1 (en) | 2005-08-11 |
EP1709745A4 (de) | 2012-03-14 |
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